#RAG evaluation

Tagged RAG evaluation · show all articles

A results-logging terminal between two flanking screens in a bright evaluation lab, one screen mid-way through tallying a retrieval-only pass and the other mid-way through a generation-only pass, with one composite row still blank on the centre screen

Measuring What a RAG System Retrieves, Not Just What It Answers

A retrieval score and an answer-quality score are counted by different instruments, on different objects, at different points in the pipeline. Either one can look excellent while the other is quietly broken, and most reported RAG numbers do not say which.

By Brecht Corbeel · August 11, 2026 · 17 min read

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